Ameriglo Night Sight Set Spec. Combo - Red Fiber Front / Flat Black Rear - For Glocks 17/19/22. This Illuminated Gun Sight from the professional product experts at Ameri-Glo is made with a Swiss-made tritium light source that is guaranteed to last for an incredibly long time without dimming or fading. The AmeriGlo Tritium Special Combination Illuminated Night Handgun Sight is precision machined from bar stock steels that ensure a long lasting and durable item. This Ameriglo Tritium Night Sight will fit several different Glock models to provide you with the perfect sight for your favorite Glock. For a great way to enhance your Glock and improve your low light shooting choose the Ameriglo Front and Rear Tritium Glock Night Sight Combination Set. GFT-113: Ameriglo Special Combination Night Sight Set - Red Fiber Front Flat Black Rear Fits Glocks 17192223242627333435373839 GFT-119: Ameriglo Special Combination Night Sight Set - Red Fiber Front Flat Black Rear Fits Glocks 20212930313236 GH-431: Ameriglo Special Combination Night Sight Set - Orange Square Front Flat Black Rear Fits Glocks 17192223242627333435373839 GL-433: Ameriglo Special Combination Night Sight Set - Hack Style Green Front w/ Orange Outline Serrated Black Rear Fits Glocks 17192223242627333435373839 GL-434: Ameriglo Special Combination Night Sight Set - Hack Style Green Front w/ Orange Outline Serrated Black Rear Fits Glocks 20212930313236 Specifications for AmeriGlo Night Sight Combination Set for Glocks: For: Various Glock Models Material: Bar Stock Steel Illumination: Swiss Tritium Type: Front and Rear Features of Ameriglo Illuminated Glock Handgun Night Sight Combination Set - Front and Rear: Made from bar stock steel Swiss-made Tritium Light source Durable Lightweight For Glock Models 202129303132361719222324262733343537383929 Package Contents: Ameriglo Special Combination Tritium Night Sight Complete Set for Various Glock Handguns GFT-113: Ameriglo Special Combination Night Sight Set - Red Fiber Front Flat Black Rear Fits Glocks 17192223242627333435373839